questions about who is really responsible. i'm david wright in osaka, japan. >>> and now to an environmental scare closer to home. over the weekend a mile's long patch of sludge showed up in the gulf of mexico and washed up on the shores of louisiana's jefferson parish. the coast guard collected samples and officials say it does not appear to be from the bp oil spill. they say it is probably sediment washed into the gulf from the mississippi river. >>> the suspect in a grizzly murder at a yoga shop will be in court today. brittany norwood has been charged with first-degree murder. police say she killed her coworker and created an elaborate rouse to hide the crime. >> reporter: police say it was a fair of shoes that tipped them off. the crime scene had two sets of bloody footprints but one looked like it was faked. when police found norwood bound and gagged, they say the position she was tied up in was suspicious, with her hands tied above her head, she may have tied herself up. >> as we began analyzing the forensic evidence and looked at the medical reports, it was not supporting what the --
